/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lrkj.activiti.modeler;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.lrkj.common.core.controller.BaseController;
import com.lrkj.common.core.domain.entity.SysRole;
import com.lrkj.common.core.domain.entity.SysUser;
import com.lrkj.common.core.page.TableDataInfo;
import com.lrkj.system.mapper.SysUserMapper;
import com.lrkj.system.service.ISysRoleService;
import com.lrkj.system.service.ISysUserService;
import lombok.AllArgsConstructor;
import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.*;

import java.nio.charset.StandardCharsets;
import java.util.List;

/**
 * @author Tijs Rademakers
 * @author 一只闲鹿
 */
@RestController
@AllArgsConstructor
public class ModelEditorJsonRestResource extends BaseController implements ModelDataJsonConstants {

    private static final Logger LOGGER = LoggerFactory.getLogger(ModelEditorJsonRestResource.class);

    private RepositoryService repositoryService;
    private ObjectMapper objectMapper;
    private ISysUserService userService;
    private ISysRoleService roleService;
    private SysUserMapper userMapper;

    @RequestMapping(value = "/modeler/model/{modelId}/json", method = RequestMethod.GET, produces = "application/json")
    public ObjectNode getEditorJson(@PathVariable String modelId) {
        ObjectNode modelNode = null;

        Model model = repositoryService.getModel(modelId);

        if (model != null) {
            try {
                if (StringUtils.isNotEmpty(model.getMetaInfo())) {
                    modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
                } else {
                    modelNode = objectMapper.createObjectNode();
                    modelNode.put(MODEL_NAME, model.getName());
                }
                modelNode.put(MODEL_ID, model.getId());
                ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(
                        new String(repositoryService.getModelEditorSource(model.getId()), StandardCharsets.UTF_8));
                modelNode.put("model", editorJsonNode);

            } catch (Exception e) {
                LOGGER.error("Error creating model JSON", e);
                throw new ActivitiException("Error creating model JSON", e);
            }
        }
        return modelNode;
    }

    /**
     * 免登录访问用户列表
     *
     * @param user
     * @return
     */
    @GetMapping("/list")
    public TableDataInfo list(SysUser user) {
        startPage();
        List<SysUser> list = userService.selectUserList(user);
        return getDataTable(list);
    }

    /**
     * 角色列表
     *
     * @param role
     * @return
     */
    @GetMapping("/modeler/role/list")
    public TableDataInfo list(SysRole role) {
        startPage();
        List<SysRole> list = roleService.selectRoleList(role);
        return getDataTable(list);
    }

    /**
     * 某角色下的用户列表
     *
     * @param roleKey
     * @return
     */
    @GetMapping("/modeler/user/listByRoleKey")
    public TableDataInfo list(String roleKey) {
        startPage();
        List<SysUser> list = userMapper.selectUserListByRoleKey(roleKey);
        return getDataTable(list);
    }

}
